Population change of avian predators and grey squirrels in England: is there evidence for an impact on avian prey populations?
Author(s): Newson, S.E., Rexstad, E.A., Baillie, S.R., Buckland, S.T. & Aebischer, N.J.
Published: January 2010
Journal: Journal of Applied Ecology ( part 47 )
Digital Identifier No. (DOI): 10.1111/j.1365-2664.2010.01771.x
Making the most of BirdTrack data
We have been working to produce useful summaries for bird reports using data from the millions of annual BirdTrack records.